duplicated product breaks indexer

fix-indexer.sql

delete FROM `catalog_product_entity_datetime` where entity_id not in (select entity_id from catalog_product_entity);
delete FROM `catalog_product_entity_decimal` where entity_id not in (select entity_id from catalog_product_entity);
delete FROM `catalog_product_entity_gallery` where entity_id not in (select entity_id from catalog_product_entity);
delete FROM `catalog_product_entity_group_price` where entity_id not in (select entity_id from catalog_product_entity);
delete FROM `catalog_product_entity_int` where entity_id not in (select entity_id from catalog_product_entity);
delete FROM `catalog_product_entity_media_gallery` where entity_id not in (select entity_id from catalog_product_entity);
delete FROM `catalog_product_entity_text` where entity_id not in (select entity_id from catalog_product_entity);
delete FROM `catalog_product_entity_tier_price` where entity_id not in (select entity_id from catalog_product_entity);
delete FROM `catalog_product_entity_varchar` where entity_id not in (select entity_id from catalog_product_entity);
#originals with formatting fixed:
delete from `catalog_category_product` WHERE product_id not in(select entity_id from catalog_product_entity);
delete from `catalog_category_product` WHERE category_id not in(select entity_id from catalog_category_entity); 
delete from `catalog_product_website` WHERE product_id not in(select entity_id from catalog_product_entity); 
delete from `catalog_product_index_eav_idx` WHERE entity_id not in(select entity_id from catalog_product_entity); 
delete from `catalog_product_index_eav` WHERE entity_id not in(select entity_id from catalog_product_entity); 
delete from `catalog_product_link` WHERE product_id not in(select entity_id from catalog_product_entity); 
delete from `catalog_product_relation` WHERE parent_id not in(select entity_id from catalog_product_entity);